carbon-point

英 ['kɑːbənp'ɔɪnt] 美 ['kɑːbənp'ɔɪnt]

• n. 碳棒

例句

用作名词 (n.)

1. The positive electrode is a rod of hard carbon fitted with a brass cap.
   正电极是一个装有黄铜帽的硬碳棒。
2. Sometimes the carbon rods are copper coated to improve electrical conductivity.
   有时这些碳棒包上一层铜，以增加其导电性。